diff --git a/applications/ems_datahubs/datahubs.conf b/applications/ems_datahubs/datahubs.conf
index 25df79c..c7beefe 100644
--- a/applications/ems_datahubs/datahubs.conf
+++ b/applications/ems_datahubs/datahubs.conf
@@ -8,7 +8,8 @@ log_filesize = 16M
 # worker_processes = auto # auto = ncpu
 # worker_processes = auto
 worker_processed = 0
-worker_threads = auto
+# worker_threads = auto
+worker_threads = 1
 
 host = 0.0.0.0
 port = 44242
diff --git a/applications/ems_datahubs/main.cpp b/applications/ems_datahubs/main.cpp
index 028385e..2735608 100644
--- a/applications/ems_datahubs/main.cpp
+++ b/applications/ems_datahubs/main.cpp
@@ -537,6 +537,14 @@ int main(int argc, char** argv)
         exit(0);
     }
 
+    // signal
+    signal_init(on_reload);
+    const char* signal = get_arg("s");
+    if( signal )
+    {
+        signal_handle(signal);
+    }
+
     // g_conf_ctx
     conf_ctx_init(&g_conf_ctx);
     const char* confile = get_arg("c");
@@ -553,13 +561,6 @@ int main(int argc, char** argv)
         exit(0);
     }
 
-    // signal
-    signal_init(on_reload);
-    const char* signal = get_arg("s");
-    if (signal)
-    {
-        signal_handle(signal);
-    }
 
 #ifdef OS_UNIX
     // daemon
@@ -926,7 +927,7 @@ void worker_fn(void* userdata)
 
     if (listenio == NULL)
     {
-        hlogw("worker process finished");
+        hloge("worker process finished");
         return;
     }
 
diff --git a/applications/ems_datahubs/opmysql.cpp b/applications/ems_datahubs/opmysql.cpp
index 0794efe..a0c249f 100644
--- a/applications/ems_datahubs/opmysql.cpp
+++ b/applications/ems_datahubs/opmysql.cpp
@@ -34,7 +34,8 @@ bool OpDatabase::OpenDatabase(const std::string& server, const std::string& dbus
 		// 数据库连接配置
 		//std::string server = "tcp://127.0.0.1:3306";
 		//std::string dbuser = "root";
-		std::string password = "Hj57471000";
+		//std::string password = "Hj57471000";
+		std::string password = "L2ysc1s1kr";
 		//std::string database = "hjems";
 
 		// 创建连接